code: def test_dump(self):
      # test dump
      wsd_sample = WSDSample(data)
      self.assertEqual(data, wsd_sample.dump())
  
file_path: textflint/test/input/component/sample/test_wsd_sample.py
imports: import unittest
  from textflint.input.component.sample.wsd_sample import *
  from textflint.common.preprocess.en_processor import EnProcessor
label_desc: Use image node_id 13 for calling the TestWSDSample obj's underlying member method code with example usage: obj.test_dump() without return types